<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<div id="app">
    <ul>
        <li v-for="(item) in list">{{item}}</li>
    </ul>
    <button @click="fn">走一走</button>
</div>
<body>
    <div></div>
    <script src="./vue.js"></script>
    <script>
        const app=new Vue({
            el:'#app',
            data:{
               list:['美女','帅哥','程序员'] 
            },
            methods:{
                fn(){
                    this.list.push(this.list.shift())
                }
            }
        })
    </script>
</body>
</html>